CN102977582A - Nanometer diatomite modified chlorhydrin rubber sealing gasket and its preparation method - Google Patents
Nanometer diatomite modified chlorhydrin rubber sealing gasket and its preparation method Download PDFInfo
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- CN102977582A CN102977582A CN2012104338959A CN201210433895A CN102977582A CN 102977582 A CN102977582 A CN 102977582A CN 2012104338959 A CN2012104338959 A CN 2012104338959A CN 201210433895 A CN201210433895 A CN 201210433895A CN 102977582 A CN102977582 A CN 102977582A
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Abstract
The invention discloses a nanometer diatomite modified chlorhydrin rubber sealing gasket. The sealing gasket comprises the following raw materials, by weight, 135-145 parts of chlorhydrin rubber H45, 10-15 parts of butyl rubber CBK139, 10-15 parts of butyl rubber BBK232, 5-10 parts of an SG-5 type PVC resin, 3-5 parts of triethyl citrate, 3-5 parts of epoxy butyl oleate, 2-5 parts of n-butyl methacrylate, 1-2 parts of sulfur, 2-5 parts of magnesium oxide, 1-2 parts of dibasic lead phosphate, 1-2 parts of tribasic lead sulphate and 5-10 parts of nanometer diatomite. The sealing gasket has the advantages of good high-temperature resistance, good sealing performance, good flame retardation, good corrosion resistance, realization of long-term working in mediums comprising acids, alkalis, oils and the like, small volume and hardness changes, no adhesion on the metal surface, small friction coefficient, good abrasion resistance, combination flexibility with the sealing surface, good weather ageing and ozone ageing resistances, durability and the like.
Description
Technical field
The present invention relates to a kind of gasket, be specifically related to chlorohydrin rubber gasket of a kind of nano diatomite modification and preparation method thereof.
Background technology
The chlorohydrin rubber gasket is a kind of for the inside such as machinery, equipment, pipeline, the material that seals.Be characterized in: the characteristics such as heat-proof aging and ozone resistance are good, warping strength, elasticity is good, oil resistant, anti-solvent, anti-burning, ventilation property is low, binding property is good, so over-all properties is better than paracril and chloroprene rubber, price is lower than viton and silicon rubber, is widely used in national defense industry and civilian industry.The defectives such as but existing chlorohydrin rubber gasket sealing effectiveness is undesirable, wear resistance is relatively poor, intensity is low far can not satisfy actual requirement.Therefore researching and developing a kind of novel chlorohydrin rubber gasket has become the task of top priority.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, chlorohydrin rubber gasket of a kind of nano diatomite modification and preparation method thereof is provided.
The technical solution used in the present invention is as follows:
A kind of chlorohydrin rubber gasket of nano diatomite modification, the weight part of its constitutive material is: chlorohydrin rubber H45 135-145, isoprene-isobutylene rubber CBK139 10-15, isoprene-isobutylene rubber BBK232 10-15, SG-5 type polyvinyl chloride resin 5-10, triethyl citrate 3-5, epoxyoleic acid butyl ester 3-5, n-BMA 2-5, sulphur 1-2, magnesium oxide 2-5, dibasic lead phosphite 1-2, lead sulfate tribasic 1-2, nano diatomite 5-10, aluminum oxide 30-35, nano-calcium carbonate 40-45, the fast carbon black N660 20-25 that extrudes, titanate coupling agent TMC-TTS 1-2, irgasfos 168 1-2, the N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, Silane coupling agent KH550 1-2, altax 1-2, Vulcanization accelerator TMTD 1-2, accelerant N a-22 1-2, antioxidant NBC 1-2, antioxidant MB 1-2, antioxidant 4010NA 1-2, modification trees ashes 1-2.
Described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 10-15% hydrogen peroxide dipping trees ashes 2-3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 2-3%, the polyisobutene of 1-2%, the tributyl citrate of 2-3%, the ferrocene of 1-2%, the aluminium hydroxide of 3-5%, high speed 4500-4800r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
The preparation method of the chlorohydrin rubber gasket of nano diatomite modification may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 80-90 ℃, and the refining glue time is 15-20min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 36-48h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 165-175 ℃, and curing time is 10-15min, primary vulcanization vulcanizes the second time by complete and then carrying out, for the second time sulfuration is 210-220 ℃, and curing time is 5-10min, and twice sulfuration pressure is 15-20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
Beneficial effect of the present invention:
The present invention can improve flame retardant resistance and the erosion resistance of gasket by the trees ashes are carried out modification, and it is low to have a cost, the characteristics that effect is good.The present invention adds nano diatomite and chlorohydrin rubber is carried out modification, the wear resistance of the gasket that can obviously increase and physical strength by to formula adjustment.Gasket of the present invention has good resistance to elevated temperatures, sealing property and flame retardant properties; Corrosion resistance is good, in acid, and alkali, energy long term operation in the wet goods medium, its volume and changes in hardness are little, and do not stick on the metallic surface; Frictional coefficient is little, and wear resistance is good; Has the flexibility of being combined with trim; The advantages such as Weather-resistant and ozone ageing performance are good, and be durable in use.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Embodiment
A kind of chlorohydrin rubber gasket of nano diatomite modification, the weight part of its constitutive material is: 145 parts of chlorohydrin rubber H45,15 parts of isoprene-isobutylene rubber CBK139,12 parts of isoprene-isobutylene rubber BBK232,8 parts of SG-5 type polyvinyl chloride resins, 5 parts of triethyl citrates, 5 parts of epoxyoleic acid butyl esters, 3 parts of n-BMAs, 2 parts in sulphur, 3 parts in magnesium oxide, 2 parts of dibasic lead phosphites, 1 part of lead sulfate tribasic, 10 parts of nano diatomites, 35 parts in aluminum oxide, 40 parts of nano-calcium carbonates, fast 22 parts of the carbon black N660 that extrude, 1.8 parts of titanate coupling agent TMC-TTS, 1.5 parts of irgasfos 168s, the N-2-(aminoethyl)-1.5 parts of 3-aminopropyl trimethoxysilane, 1 part of Silane coupling agent KH550,1 part of altax, 1.5 parts of Vulcanization accelerator TMTDs, 1.5 parts of accelerant N a-22,1 part of antioxidant NBC, 2 parts of antioxidant MBs, 1 part of antioxidant 4010NA, 2 parts in modification trees ashes.
Wherein, described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 15% hydrogen peroxide dipping trees ashes 3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 3%, 1.5% polyisobutene, 3% tributyl citrate, 2% ferrocene, 5% aluminium hydroxide, high speed 4800r/min stirs 30min, and ovendry power is broken into ultrafine powder.
The preparation method of the chlorohydrin rubber gasket of nano diatomite modification may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 90 ℃, and the refining glue time is 18min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 40h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 168 ℃, curing time 10min, primary vulcanization vulcanizes the second time by complete and then carrying out, sulfuration is 216 ℃ for the second time, curing time 7min, and twice sulfuration pressure is 20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
The salient features of the gasket that present embodiment prepares sees the following form 1.
Table 1
Claims (3)
1. the chlorohydrin rubber gasket of a nano diatomite modification, it is characterized in that the weight part of its constitutive material is: chlorohydrin rubber H45 135-145, isoprene-isobutylene rubber CBK139 10-15, isoprene-isobutylene rubber BBK232 10-15, SG-5 type polyvinyl chloride resin 5-10, triethyl citrate 3-5, epoxyoleic acid butyl ester 3-5, n-BMA 2-5, sulphur 1-2, magnesium oxide 2-5, dibasic lead phosphite 1-2, lead sulfate tribasic 1-2, nano diatomite 5-10, aluminum oxide 30-35, nano-calcium carbonate 40-45, the fast carbon black N660 20-25 that extrudes, titanate coupling agent TMC-TTS 1-2, irgasfos 168 1-2, the N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, Silane coupling agent KH550 1-2, altax 1-2, Vulcanization accelerator TMTD 1-2, accelerant N a-22 1-2, antioxidant NBC 1-2, antioxidant MB 1-2, antioxidant 4010NA 1-2, modification trees ashes 1-2.
2. the chlorohydrin rubber gasket of nano diatomite modification according to claim 1, it is characterized in that, described modification trees ashes are made by following methods: extremely neutral with deionized water wash again after using first 10-15% hydrogen peroxide dipping trees ashes 2-3h, and oven dry; Add and be equivalent to the nano-sized carbon of trees ashes weight 2-3%, the polyisobutene of 1-2%, the tributyl citrate of 2-3%, the ferrocene of 1-2%, the aluminium hydroxide of 3-5%, high speed 4500-4800r/min stirs 20-30min, and ovendry power is broken into ultrafine powder.
3. the preparation method of the chlorohydrin rubber gasket of a nano diatomite modification as claimed in claim 1 is characterized in that may further comprise the steps:
(1) press above-mentioned formulation ratio, the raw material for preparing is sent into refined glue in the rubber mixing machine, glue furnacing temperature is controlled at 80-90 ℃, and the refining glue time is 15-20min;
(2) after refining glue is finished, the taking-up sizing material is paved, after placing at normal temperatures cooling 36-48h, send into and carry out twice sulfuration in the vulcanizing press, the curing temperature of primary vulcanization is controlled at 165-175 ℃, and curing time is 10-15min, primary vulcanization vulcanizes the second time by complete and then carrying out, for the second time sulfuration is 210-220 ℃, and curing time is 5-10min, and twice sulfuration pressure is 15-20MPa;
(3) goods that will finish sulfuration take out, and through the passer, can become finished product behind the finishing burr.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210433895.9A CN102977582B (en) | 2012-11-02 | 2012-11-02 | Chlorohydrin rubber gasket of a kind of nano diatomite modification and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210433895.9A CN102977582B (en) | 2012-11-02 | 2012-11-02 | Chlorohydrin rubber gasket of a kind of nano diatomite modification and preparation method thereof |
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| CN102977582A true CN102977582A (en) | 2013-03-20 |
| CN102977582B CN102977582B (en) | 2015-12-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408818A (en) * | 2013-07-03 | 2013-11-27 | 安徽方兴实业有限公司 | Rubber seal material mainly prepared from chloroprene rubber and preparation method thereof |
| CN104332237A (en) * | 2014-09-02 | 2015-02-04 | 安徽华联电缆集团有限公司 | Electrical-vehicle charging pile cable capable of transmitting temperature measurement and control signals |
| CN105778720A (en) * | 2016-04-25 | 2016-07-20 | 铜陵百锐设备配件有限公司 | Nanometer diatomaceous earth modified valve powder coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493605A (en) * | 2002-10-28 | 2004-05-05 | 西北化工研究院 | Technological method of coal prepared rubber reinforcing filler |
| CN102731987A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
-
2012
- 2012-11-02 CN CN201210433895.9A patent/CN102977582B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493605A (en) * | 2002-10-28 | 2004-05-05 | 西北化工研究院 | Technological method of coal prepared rubber reinforcing filler |
| CN102731987A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Oil-resistant aging-resistant chlorhydrin rubber and polyacrylate rubber mixed rubber sealing ring |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408818A (en) * | 2013-07-03 | 2013-11-27 | 安徽方兴实业有限公司 | Rubber seal material mainly prepared from chloroprene rubber and preparation method thereof |
| CN103408818B (en) * | 2013-07-03 | 2016-01-20 | 安徽方兴实业有限公司 | A kind of take chloroprene rubber as Rubber seal material of major ingredient and preparation method thereof |
| CN104332237A (en) * | 2014-09-02 | 2015-02-04 | 安徽华联电缆集团有限公司 | Electrical-vehicle charging pile cable capable of transmitting temperature measurement and control signals |
| CN104332237B (en) * | 2014-09-02 | 2017-04-05 | 安徽华联电缆集团有限公司 | A kind of electric automobile charging pile cable for transmitting measurement and control of temperature signal |
| CN105778720A (en) * | 2016-04-25 | 2016-07-20 | 铜陵百锐设备配件有限公司 | Nanometer diatomaceous earth modified valve powder coating and preparation method thereof |
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| CN102977582B (en) | 2015-12-09 |
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Effective date of registration: 20171103 Address after: 401120 Chongqing Longxi street, California city garden, Yubei District, 3, 8-5 Patentee after: CHONGQING FANCHAO BRAND MANAGEMENT CO., LTD. Address before: 247127 Chuk Yuen Village, Copper Mt. Town, Tongling, Anhui Patentee before: Tongling Mingcheng Casting Co., Ltd. |
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Effective date of registration: 20190429 Address after: 225600 Xingnan Road, Chengnan Economic Zone, Gaoyou, Yangzhou, Jiangsu Patentee after: Yangzhou Saiprun Rubber and Plastic Co., Ltd. Address before: 401120 Chongqing Yubei District Longxi Street 3 California City Garden 8-5 Patentee before: CHONGQING FANCHAO BRAND MANAGEMENT CO., LTD. |
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